638297085

素因数分解:

$3^1\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{37691}}^1$

素因数の和:38828

約数の個数: 16

約数和(自身を含む): 1022207040

約数和(自身を除く): 383909955

約数列:

[1, 3, 5, 15, 1129, 3387, 5645, 16935, 37691, 113073, 188455, 565365, 42553139, 127659417, 212765695, 638297085]

約数ペア:

[(1, 638297085), (3, 212765695), (5, 127659417), (15, 42553139), (1129, 565365), (3387, 188455), (5645, 113073), (16935, 37691)]